CN103934718B - A kind of harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine - Google Patents
A kind of harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine Download PDFInfo
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- CN103934718B CN103934718B CN201410136472.XA CN201410136472A CN103934718B CN 103934718 B CN103934718 B CN 103934718B CN 201410136472 A CN201410136472 A CN 201410136472A CN 103934718 B CN103934718 B CN 103934718B
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- stator
- cutter
- magnetic aluminum
- ring
- aluminum ring
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/32—Feeding working-spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses the harmonic wave driving linear motor of the cutter variant-frequency vibration of a kind of stock-removing machine, including cutter spindle, stator yoke sleeve, mover tooth pole sleeve, stator end cap and stator component；One end of described stator yoke sleeve is fixed in main spindle box, stator component is set in turn in stator yoke sleeve vertically, stator component be respectively arranged at two ends with first every magnetic aluminum ring and second every magnetic aluminum ring, first is fixed on the inner side of stator yoke sleeve every magnetic aluminum ring, stator end cap is connected every the other end of magnetic aluminum ring and stator yoke sleeve is fixing with second respectively, the end of cutter spindle is inserted in stator component through main spindle box, mover tooth pole sleeve is socketed on the end of cutter spindle, mover tooth pole sleeve be respectively arranged at two ends with the 3rd every magnetic aluminum ring and the 4th every magnetic aluminum ring, 3rd is all socketed on cutter spindle every magnetic aluminum ring every magnetic aluminum ring and the 4th.The present invention is capable of the variant-frequency vibration of tool feeding.
Description
Technical field
The invention belongs to cutting machine tool tool feeding and drive field, be specifically related to a kind of cutter
The harmonic wave driving linear motor of the cutter variant-frequency vibration of bed.
Background technology
Find in current machining research, apply axially to shake during feeding to cutting tool
Dynamic, metal cutting resistance be can effectively reduce, cutting quality and efficiency, tradition cutter are greatly improved
The feed motion of bed cutter is realized by the type of drive of " rotating servo motor+ball-screw ", to
Realizing axial vibration and need the frequent rotating of servomotor, not only the motor feels hot, and amount is big, and leading screw
Secondary sliding friction noise is greatly increased, abrasion severity；Novel tool feeding system uses permanent magnetism same
The mode of step linear motor direct drive, effectively reduces frictional noise, but owing to pacifying on electric mover
Equipped with permanent magnet, variant-frequency vibration makes permanent magnet temperature significantly raise, and easily produces demagnetization phenomenon, and
Structural stability is poor, and therefore, existing stock-removing machine tool feeding system realizes executing of variant-frequency vibration
Add and there is the biggest difficulty.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that a kind of stock-removing machine
The harmonic wave driving linear motor of cutter variant-frequency vibration, this motor is capable of the change of tool feeding
Frequency vibration.
For reaching above-mentioned purpose, the harmonic wave of the cutter variant-frequency vibration of stock-removing machine of the present invention
Driving linear motor include cutter spindle, stator yoke sleeve, mover tooth pole sleeve, stator end cap,
And stator component；
One end of described stator yoke sleeve is fixed in main spindle box, and stator component is axially disposed at
In stator yoke sleeve, stator component be respectively arranged at two ends with first every magnetic aluminum ring and second every magnetic aluminum
Ring, first is fixed on the inner side of stator yoke sleeve every magnetic aluminum ring, stator end cap respectively with second every
The other end of magnetic aluminum ring and stator yoke sleeve is fixing to be connected, and the end of cutter spindle passes main spindle box
Being inserted in stator component, mover tooth pole sleeve is socketed on the end of cutter spindle, and mover tooth pole is overlapped
Cylinder be respectively arranged at two ends with the 3rd every magnetic aluminum ring and the 4th every magnetic aluminum ring, the 3rd every magnetic aluminum ring and the 4th
All it is socketed on cutter spindle every magnetic aluminum ring；
Described stator component is made up of some stator modules, and each stator modules is axially disposed at stator
In yoke portion sleeve, stator modules includes left stator ring gear, right stator ring gear, winding coil and permanent magnetism
Body, the one side of permanent magnet contacts with the one side of left stator ring gear, another of left stator ring gear
Side contacts with the one side of right stator ring gear, and the another side of right stator ring gear is fixed with the next one
In submodule, the another side of permanent magnet contacts, the magnetic the most vertically of the permanent magnet in each stator modules
Changing, in adjacent two stator modules, the direction of magnetization of permanent magnet is contrary, and right stator ring gear is fixed with a left side
The contact surface of sub-ring gear is provided with annular groove, and winding coil is wound in right stator tooth in stator modules
In the overall structure that ring and permanent magnet in adjacent stators module and left stator tooth ring are formed, adjacent three
Individual winding coil is one group of three-phase windings, and in all three-phase windings, the winding coil of phase homophase is vertically
It is connected in series.
Also including the feather key for playing the guiding role cutter spindle, feather key is through main spindle box along cutter
Main shaft axially arranged.
Also including micro-rushing displacement transducer and scale slide bar, one end of scale slide bar passes stator end cap
Being inserted in cutter spindle, the other end of scale slide bar is connected with micro-displacement transducer that rushes, micro-punching
Displacement transducer is fixed on stator terminal lid.
Described 4th end being axially fixed at cutter spindle every magnetic aluminum ring by locking nut.
The end face of described cutter spindle is provided with location magnet ring, and scale slide bar passes described location magnet ring.
Described first is fixed on the inwall of stator yoke sleeve by external screw thread nut every magnetic aluminum ring.
Described winding coil is annulus pie structure.
The outer wall of described stator yoke sleeve is provided with flange, and described flange is connected in the interior of main spindle box
On wall.
The method have the advantages that
The harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine of the present invention directly leads to
Cutter spindle of overdriving carries out axial feed, saves all intermediate transmission links, makes total system tie
Structure is simple, and efficiency is high, and dynamic response is fast.Meanwhile, the cutter variant-frequency vibration of described stock-removing machine is used
Harmonic wave driving linear motor can produce harmonic pulsation by the sine-wave current of input tape harmonic component
Thrust, by changing frequency and the amplitude of harmonic component, it is achieved the axial variant-frequency vibration of cutter spindle,
The mode that vibration applies is simple, and frictional noise is little, and therefore, the cutter of the stock-removing machine of the present invention becomes
The harmonic wave driving linear motor of frequency vibration can be applicable to realize all kinds of stock-removing machine cutter axial feed
While apply variant-frequency vibration, thus improve crudy and the efficiency of stock-removing machine.It addition, with
Mover tooth pole sleeve includes permanent magnet and winding wire as mover component, strong robustness, stator modules
Circle, is conducive to heat radiation.
Further, cutter of the present invention change is obtained by scale slide bar and micro-displacement transducer that rushes
The linear position of the harmonic wave driving linear motor of frequency vibration and speed, quickly ring for realizing high accuracy
Feedback control is answered to lay the foundation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is stator component and the structural representation of mover tooth pole sleeve 9 in the present invention；
Fig. 3 is the armature supply oscillogram of input tape harmonic component of the present invention；
Fig. 4 is the thrust output oscillogram that the present invention produces after input current waveform.
Wherein, 1 be cutter spindle, 2 for main spindle box, 3 for feather key, 4 for stator yoke sleeve, 5
For permanent magnet, 6 be left stator ring gear, 7 be right stator ring gear, 8 be winding coil, 9 for mover
Tooth pole sleeve, 101 be first every magnetic aluminum ring, 102 be second every magnetic aluminum ring, 103 be the 3rd every magnetic
Aluminum ring, 104 be the 4th every magnetic aluminum ring, 11 for stator end cap, 12 for locking nut, 13 for location
Magnet ring, 14 be scale slide bar, 15 rush displacement transducer, 16 for external screw thread nut for micro-.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
With reference to Fig. 1 and Fig. 2, the harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine
Including cutter spindle 1, stator yoke sleeve 4, mover tooth pole sleeve 9, stator end cap 11 and
Stator component；
One end of described stator yoke sleeve 4 is fixed in main spindle box 2, and stator component sets vertically
Be placed in stator yoke sleeve 4, stator component be respectively arranged at two ends with first every magnetic aluminum ring 101 and
Second every magnetic aluminum ring 102, and first is fixed on the inner side of stator yoke sleeve 4 every magnetic aluminum ring 101,
Stator end cap 11 is fixing even every the other end of magnetic aluminum ring 102 and stator yoke sleeve 4 with second respectively
Connecing, the end of cutter spindle 1 is inserted in stator component through main spindle box 2, mover tooth pole sleeve
9 ends being socketed on cutter spindle 1, mover tooth pole sleeve 9 be respectively arranged at two ends with the 3rd every magnetic
Aluminum ring 103 and the 4th every magnetic aluminum ring 104, the 3rd every magnetic aluminum ring 103 and the 4th every magnetic aluminum ring 104
All it is socketed on cutter spindle 1；
Described stator component is made up of some stator modules, and each stator modules is axially disposed at stator
In yoke portion sleeve 4, stator modules includes left stator ring gear 6, right stator ring gear 7, winding coil 8
And permanent magnet 5, the one side of permanent magnet 5 contacts with the one side of left stator ring gear 6, Zuo Ding
The another side of sub-ring gear 6 contacts with the one side of right stator ring gear 7, right stator ring gear 7
Another side contacts with the another side of permanent magnet 5 in next stator modules, each stator modules
In permanent magnet 5 magnetize the most vertically, the direction of magnetization of permanent magnet 5 in adjacent two stator modules
On the contrary, right stator ring gear 7 is being provided with annular groove, winding on the contact surface of left stator ring gear 6
It is fixed with permanent magnet in adjacent stators module and a left side that coil 8 is wound in right stator ring gear 7 in stator modules
In the overall structure that sub-ring gear 6 is formed, adjacent three winding coils 8 are one group of three-phase windings,
In all three-phase windings, the winding coil 8 of phase homophase is connected in series vertically.It addition, the present invention is also
Rush displacement transducer 15, scale slide bar 14 including micro-and make for cutter spindle 1 is guided
Feather key 3, axially arranged through main spindle box 2 along cutter spindle 1 of feather key 3.
It should be noted that one end of described scale slide bar 14 is inserted in cutter through stator end cap 11
In tool main shaft 1, the other end of scale slide bar 14 is connected with micro-displacement transducer 15 that rushes, micro-punching
Displacement transducer 15 is fixed on stator end cap 11, and the 4th passes through locking nut every magnetic aluminum ring 104
12 ends being axially fixed at cutter spindle 1, the end face of cutter spindle 1 is provided with location magnet ring 13,
Scale slide bar 14 is through described location magnet ring 13, and first passes through external screw thread nut every magnetic aluminum ring 101
On 16 inwalls being fixed on stator yoke sleeve 4, winding coil 8 is annulus pie structure, stator
The outer wall of yoke portion sleeve 4 is provided with flange, and described flange is connected on the inwall of main spindle box 2.
The operation principle of the present invention is as follows:
The stator core of the harmonic wave driving linear motor of described cutter variant-frequency vibration is by left stator tooth
The U-shaped module that ring 6 and right stator ring gear 7 are constituted, the permanent magnet 5 of axial charging is spaced apart
Between two U-iron core modules, and two adjacent permanent magnets 5 magnetizing direction is contrary, winding coil
8 are wound in right stator ring gear 7 and permanent magnet and left stator tooth in adjacent stators module in stator modules
In the overall structure that ring 6 is formed, thus form " sandwich " structure, if any one stator mould
In block, right stator ring gear 7 and permanent magnet in adjacent stators module and left stator ring gear 6 form one calmly
Sub-tooth, when aliging with stator tooth in the mover tooth pole on mover tooth pole sleeve 9, winding coil 8
Linkage magnetic flux reaches maximum；Extremely wash in a pan mover tooth pole on sleeve when mover tooth to move forward and determine with adjacent
During the alignment of sub-tooth, the linkage flow direction of winding coil 8 inverts and reaches maximum, two positions
Between the linkage magnetic flux of winding coil 8 be sine wave change, therefore cutter variant-frequency vibration is humorous
The control method of ripple driving linear motor is identical, to three-phase windings coil with tradition permagnetic synchronous motor
8 input three-phase sine-wave electric currents, export stable electromagnetic push and drive electric mover axially movable.
When the sine-wave current of winding coil 8 input tape harmonic component, thrust output arteries and veins Han harmonic wave
Dynamic component, as a example by 5 order harmonic components, as it is shown on figure 3, superposition on three-phase sine-wave first-harmonic
The electric current of 5 order harmonic components, is input in three-phase windings coil 8, the thrust output of generation such as Fig. 4
Shown in, stable first-harmonic electromagnetic push is superimposed with the thrust calculation of amplitude and frequency stable, logical
Crossing amplitude and the frequency changing current harmonics component, the thrust calculation amplitude of output and frequency are the most corresponding
Change, it is achieved variant-frequency vibration.
It addition, be provided with location magnet ring 13, scale slide bar 14 in the end of described cutter spindle 1
Being inserted in described cutter spindle 1 through described location magnet ring 13, micro-displacement transducer 15 that rushes sets
Putting on stator end cap 11 and be connected with scale slide bar 14, described micro-displacement transducer 15 that rushes passes through
Location magnet ring 13 the present invention described in the relative position measurement of described scale slide bar 14 speed and
Displacement.
The foregoing is only one embodiment of the present invention, be not all of or unique embodiment,
Technical solution of the present invention is taked by those of ordinary skill in the art by reading description of the invention
The conversion of any equivalence, the claim being the present invention is contained.
Claims (5)
1. the harmonic wave driving linear motor of the cutter variant-frequency vibration of a stock-removing machine, it is characterized in that, including cutter spindle (1), stator yoke sleeve (4), mover tooth pole sleeve (9), stator end cap (11) and stator component；
nullOne end of described stator yoke sleeve (4) is fixed in main spindle box (2)，Stator component is axially disposed in stator yoke sleeve (4)，Stator component be respectively arranged at two ends with first every magnetic aluminum ring (101) and second every magnetic aluminum ring (102)，First is fixed on the inner side of stator yoke sleeve (4) every magnetic aluminum ring (101)，Stator end cap (11) is connected every the other end of magnetic aluminum ring (102) and stator yoke sleeve (4) is fixing with second respectively，The end of cutter spindle (1) is inserted in stator component through main spindle box (2)，Mover tooth pole sleeve (9) is socketed on the end of cutter spindle (1)，Mover tooth pole sleeve (9) be respectively arranged at two ends with the 3rd every magnetic aluminum ring (103) and the 4th every magnetic aluminum ring (104)，3rd is all socketed on cutter spindle (1) every magnetic aluminum ring (104) every magnetic aluminum ring (103) and the 4th；
nullDescribed stator component is made up of some stator modules，Each stator modules is axially disposed in stator yoke sleeve (4)，Stator modules includes left stator ring gear (6)、Right stator ring gear (7)、Winding coil (8) and permanent magnet (5)，The one side of permanent magnet (5) contacts with the one side of left stator ring gear (6)，The another side of left stator ring gear (6) contacts with the one side of right stator ring gear (7)，The another side of right stator ring gear (7) contacts with the another side of permanent magnet (5) in next stator modules，Permanent magnet (5) in each stator modules magnetizes the most vertically，In adjacent two stator modules, the direction of magnetization of permanent magnet (5) is contrary，Right stator ring gear (7) is being provided with annular groove on the contact surface of left stator ring gear (6)，Winding coil (8) is wound in the overall structure that in stator modules, right stator ring gear (7) and permanent magnet in adjacent stators module and left stator ring gear (6) are formed，Three adjacent winding coils (8) are one group of three-phase windings，In all three-phase windings, the winding coil (8) of phase homophase is connected in series vertically；
Also include micro-rushing displacement transducer (15) and scale slide bar (14), in one end of scale slide bar (14) is inserted in cutter spindle (1) through stator end cap (11), the other end of scale slide bar (14) is connected with micro-displacement transducer (15) that rushes, and micro-displacement transducer (15) that rushes is fixed on stator end cap (11)；
The end face of described cutter spindle (1) is provided with location magnet ring (13), and scale slide bar (14) passes described location magnet ring (13)；
Described winding coil (8) is annulus pie structure.
The harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine the most according to claim 1, it is characterized in that, also including the feather key (3) for playing the guiding role cutter spindle (1), feather key (3) is through axially arranged along cutter spindle (1) of main spindle box (2).
The harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine the most according to claim 1, it is characterized in that, the described 4th is axially fixed at the end of cutter spindle (1) every magnetic aluminum ring (104) by locking nut (12).
The harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine the most according to claim 1, it is characterized in that, described first is fixed on the inwall of stator yoke sleeve (4) by external screw thread nut (16) every magnetic aluminum ring (101).
The harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine the most according to claim 1, it is characterized in that, the outer wall of described stator yoke sleeve (4) is provided with flange, and described flange is connected on the inwall of main spindle box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136472.XA CN103934718B (en) | 2014-04-04 | 2014-04-04 | A kind of harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136472.XA CN103934718B (en) | 2014-04-04 | 2014-04-04 | A kind of harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine |
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| Publication Number | Publication Date |
|---|---|
| CN103934718A CN103934718A (en) | 2014-07-23 |
| CN103934718B true CN103934718B (en) | 2016-08-17 |
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| CN201410136472.XA Expired - Fee Related CN103934718B (en) | 2014-04-04 | 2014-04-04 | A kind of harmonic wave driving linear motor of the cutter variant-frequency vibration of stock-removing machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108809045B (en) * | 2018-09-12 | 2024-04-16 | 苏州直为精驱控制技术有限公司 | Large-thrust rod type linear motor |
| CN110212676A (en) * | 2019-04-25 | 2019-09-06 | 南方电机科技有限公司 | A kind of rotation motor and equipment |
| CN111009978A (en) * | 2019-12-18 | 2020-04-14 | 安徽德科电气科技有限公司 | Single-phase generator for illumination |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6803682B1 (en) * | 2002-02-21 | 2004-10-12 | Anorad Corporation | High performance linear motor and magnet assembly therefor |
| JP4532864B2 (en) * | 2003-09-01 | 2010-08-25 | 住友重機械工業株式会社 | 3-phase linear motor |
| CN100566097C (en) * | 2006-12-13 | 2009-12-02 | 哈尔滨工业大学 | Cylindrical three-phase permanent magnetic linear synchronous motor |
| CN101355289B (en) * | 2008-09-09 | 2010-11-10 | 浙江大学 | Modularization error-tolerance type permanent magnet switch magnetic linkage straight line motor |
| DE102010001997B4 (en) * | 2010-02-16 | 2016-07-28 | Siemens Aktiengesellschaft | Linear motor with reduced power ripple |
| CN102710094B (en) * | 2012-05-23 | 2014-03-12 | 西安交通大学 | Cylindrical linear motor with ring gears of different widths for axial feed |
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